Question

Find the $\text{HCF}$ and $\text{LCM}$ of $6,72$ and $120$ using the prime factorization method.

Answer 1

$LCM=3\times 2\times 4\times 3\times 5=360$

As product of numbers $=LCM\times HCF$

$\Rightarrow 6\times 72\times 120=HCF\times 360$

$\Rightarrow HCF=144$